def get_valid(self, names):
"""Returns a list of boolean values indicating whether the named
variables are valid (True) or invalid (False). Entries in names may
specify either direct traits of self or those of children.
"""
ret = [None] * len(names)
posdict = dict([(name, i) for i, name in enumerate(names)])
for compname, varnames in partition_names_by_comp(names).items():
if compname is None:
vals = super(Assembly, self).get_valid(varnames)
for i, val in enumerate(vals):
ret[posdict[varnames[i]]] = val
else:
comp = getattr(self, compname)
if isinstance(comp, Component):
vals = comp.get_valid(varnames)
else:
vals = [
self._valid_dict['.'.join([compname, vname])]
for vname in varnames
]
for i, val in enumerate(vals):
full = '.'.join([compname, varnames[i]])
ret[posdict[full]] = val
return ret
def update_inputs(self, compname, exprs):
"""Transfer input data to input expressions on the specified component.
The exprs iterator is assumed to contain expression strings that reference
component variables relative to the component, e.g., 'abc[3][1]' rather
than 'comp1.abc[3][1]'.
"""
parent = self.parent
expr_info = []
invalids = []
if compname is not None:
exprs = ['.'.join([compname, n]) for n in exprs]
for expr in exprs:
srctxt = self._exprmapper.get_source(expr)
if srctxt:
srcexpr = self._exprmapper.get_expr(srctxt)
invalids.extend(srcexpr.invalid_refs())
expr_info.append((srcexpr, self._exprmapper.get_expr(expr)))
# if source exprs reference invalid vars, request an update
if invalids:
for cname, vnames in partition_names_by_comp(invalids).items():
if cname is None:
if self.parent:
self.parent.update_inputs(self.name, vnames)
else:
getattr(self, cname).update_outputs(vnames)
#self.set_valid(vnames, True)
for srcexpr, destexpr in expr_info:
try:
destexpr.set(srcexpr.evaluate(), src=srcexpr.text)
except Exception as err:
self.raise_exception("cannot set '%s' from '%s': %s" %
(destexpr.text, srcexpr.text, str(err)), type(err))
def update_outputs(self, outnames):
"""Execute any necessary internal or predecessor components in order
to make the specified output variables valid.
"""
for cname, vnames in partition_names_by_comp(outnames).items():
if cname is None: #boundary outputs
self.update_inputs(None, vnames)
else:
getattr(self, cname).update_outputs(vnames)
self.set_valid(vnames, True)
def update_outputs(self, outnames):
"""Execute any necessary internal or predecessor components in order
to make the specified output variables valid.
"""
for cname, vnames in partition_names_by_comp(outnames).items():
if cname is None: # boundary outputs
self.update_inputs(None, vnames)
else:
getattr(self, cname).update_outputs(vnames)
self.set_valid(vnames, True)
def update_inputs(self, compname, exprs):
"""Transfer input data to input expressions on the specified component.
The exprs iterator is assumed to contain expression strings that reference
component variables relative to the component, e.g., 'abc[3][1]' rather
than 'comp1.abc[3][1]'.
"""
parent = self.parent
expr_info = []
invalids = []
if compname is not None:
pred = self._exprmapper._exprgraph.pred
if exprs:
ex = ['.'.join([compname, n]) for n in exprs]
exprs = []
for e in ex:
exprs.extend([
expr
for expr in self._exprmapper.find_referring_exprs(e)
if expr in pred
])
else:
exprs = [
expr
for expr in self._exprmapper.find_referring_exprs(compname)
if expr in pred
]
for expr in exprs:
srctxt = self._exprmapper.get_source(expr)
if srctxt:
srcexpr = self._exprmapper.get_expr(srctxt)
invalids.extend(srcexpr.invalid_refs())
expr_info.append((srcexpr, self._exprmapper.get_expr(expr)))
# if source exprs reference invalid vars, request an update
if invalids:
for cname, vnames in partition_names_by_comp(invalids).items():
if cname is None:
if self.parent:
self.parent.update_inputs(self.name, vnames)
else:
getattr(self, cname).update_outputs(vnames)
#self.set_valid(vnames, True)
for srcexpr, destexpr in expr_info:
try:
destexpr.set(srcexpr.evaluate(), src=srcexpr.text)
except Exception as err:
self.raise_exception(
"cannot set '%s' from '%s': %s" %
(destexpr.text, srcexpr.text, str(err)), type(err))
def get_valid(self, names):
"""Returns a list of boolean values indicating whether the named
variables are valid (True) or invalid (False). Entries in names may
specify either direct traits of self or those of children.
"""
ret = [None]*len(names)
posdict = dict([(name,i) for i,name in enumerate(names)])
for compname, varnames in partition_names_by_comp(names).items():
if compname is None:
vals = super(Assembly, self).get_valid(varnames)
for i,val in enumerate(vals):
ret[posdict[varnames[i]]] = val
else:
vals = getattr(self, compname).get_valid(varnames)
for i,val in enumerate(vals):
full = '.'.join([compname,varnames[i]])
ret[posdict[full]] = val
return ret
